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JP6768793B2 |
A remote adhesive monitoring system is used in connection with adhesive applied to workpieces moving along a production line. A reservoir, pump, and applicator apply the adhesive to the workpieces. A monitor control computer has an assoc...
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JP6768765B2 |
Methods, apparatus, and articles of manufacture to collect process control data are disclosed. An example method to collect process control data includes registering an electronic device description describing a parameter to be measured ...
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JP5803011B2 |
There is provided a closed loop purity and recovery control system and process for operating a xylene purification system such as a Parex unit.
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JP5790066B2 |
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JP5765222B2 |
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JP2015019560A |
To provide a motor controller which can precisely control a motor by accurately detecting the speed of the motor in spite of an error from a clock generator.A motor controller 1000 includes: a motor 10; a clock generator 60 for generatin...
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JP5565431B2 |
A controller for using a first data item transmitted via a network to generate a second data item for controlling an entity to be controlled over the network, wherein the controller is characterized in being provided with: an adjustment ...
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JP5513374B2 |
A method of closed-loop controlling determines a first feedback variable by sampling a control variable and a second feedback variable by averaging the control variable, compares the first and second feedback variables with a command var...
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JP2013114444A |
To provide a network type control system capable of performing process management by a feedback control, maintaining control performance while curbing variation in communication delay time, and a communication delay time control method i...
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JP5183617B2 |
A control system includes a measurement device capable of gathering high frequency process parameter data, a modeling routine which uses the high frequency parameter data to develop a model of the high frequency noise and a compensation ...
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JP5116675B2 |
A process variable transmitter with diagnostics based on power spectral density (PSD) analysis of a process variable sensor signal is provided. In one embodiment, the process variable transmitter is a pressure transmitter and the diagnos...
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JP2012128590A |
To design a multi-rate digital control device in a simple configuration.A designing method of a digital control device includes an acquisition step of acquiring a low-rate compensator which operates at a low rate, a rate converter which ...
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JP2012059262A |
To disclose a method, apparatus, and article of manufacture for collecting process control data.An example method for collecting process control data includes: registering an electronic device description describing a parameter to be mea...
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JP4806768B2 |
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JP4635167B2 |
An industrial process diagnostic apparatus is provided which can identify a source, or "root cause", of an aberration in an industrial process. A plurality of process configuration models are provided which each represent a physical (or ...
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JP4491083B2 |
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JP4488569B2 |
A device characteristic changing apparatus is provided for changing a characteristic of a device. The device characteristic changing apparatus comprises a time scale generator unit for generating a time scale on which a device operates, ...
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JP4480927B2 |
A discretization processing method for transforming a transfer function in continuous time systems to a transfer function in discrete time systems is disclosed. To obtain the new transfer function, angular frequency omegaa of the origina...
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JP4459674B2 |
There is provided a control method for sufficiently compensating the non-linear characteristic for a plant having a strong non-linear characteristic and satisfying the follow-up and stability for a plant having a large control amount flu...
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JP4422412B2 |
A flow diagnostic system for a flow sensing element and impulse lines. A pressure transmitter coupled to the impulse lines provides digital pressure data to a control system. The control system provides the pressure data and real time cl...
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JP4347854B2 |
A servo control method of controlling a plant to track a reference trajectory with enhanced accuracy using a reference signal and its derivative signals, an apparatus and a recording medium suitable for same. The servo control method inc...
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JP4345547B2 |
A control system includes a risk management control unit, an input unit, an execution system unit, and an evaluation unit. The evaluation unit detects gain in line with expected target characteristic and risk contrary to the target chara...
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JP4331385B2 |
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JP2009110376A |
To control a control object with a processing load smaller than in the past.In generation of a control program, a transfer function to be adopted is subjected to partial fraction decomposition at first and converted to a sum of fractiona...
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JP4222816B2 |
A plant controller controls a plant modeled in a discrete-time system. The controller uses a frequency-shaping response-designating control algorithm having a filtering function to cause a difference between output of the plant and a tar...
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JP4223489B2 |
A control system for a plant is disclosed. The control system includes a controller which controls the plant based on a controlled object model which is obtained by modeling the plant. The controlled object model is modeled using an inpu...
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JP4193282B2 |
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JP2008269640A |
To specify the root cause of an aberration in an available process control form by specifying individual devices and components in a system of an industrial process.A memory stores a plurality of process models 112 corresponding to an av...
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JP4156934B2 |
Control of a multi-variable process involves multi-dimensional representation of the values (Qa-Qh) of the process variables according to individual coordinate axes (Xa-Xh), and response based on sets of values for the process-variables ...
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JP4114871B2 |
A digital control device for tracking a sine wave according to the present invention has a compensator, a control object and a feedback gain. An input into the compensator is a signal obtained by subtracting a control quantity from a ref...
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JP4104435B2 |
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JP4102131B2 |
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JP2008502876A |
A Heating, Ventilating, and Air Conditioning Management and Control System (CS) that provides “Closed Loop Adaptive Climate Control” of heating, cooling, ventilation or any combination thereof to an occupied space using standard AC e...
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JP2007535072A |
A method of predicting fertilizer performance for optimum efficiency of a fertilizer is described. The method of conducting a computerized fertilizer performance analysis is based upon a request including a plurality of parameter require...
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JP3975537B2 |
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JP3973922B2 |
There are provided a control device, a control method, a control unit, and an engine control unit, which are capable of controlling a controlled object with relatively large phase delay and dead time, while attaining elimination of lag i...
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JP3962527B2 |
To provide a control system capable of being applied to a magnetic disk device, and improving positioning precision under low sampling frequencies. A feedback controller is provided with a feedback controller (13) for sampling a differen...
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JP3957180B2 |
To compensate a shortage of resolution of an air-fuel ratio sensor by reducing the chemical noise in an output of an exhaust gas sensor. This air-fuel ratio control device is provided with the exhaust gas sensor for detecting concentrati...
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JP2007520128A |
The method involves applying a compression process to a set of processing signals (5) in accordance with a current operating state of a technical installation. A compressed process signal set (25) that is determined during the compressio...
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JP3923529B2 |
A process device couples to a process control loop. The process device receives process signals. A memory in the process device contains a nominal parameter value and a rule. Computing circuitry calculates a statistical parameter of the ...
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JP2007512629A |
A method, system, and computer program are provided for filtering a signal. The method, system, and computer program receive a sample of a signal being filtered and identify a bias associated with the sample. The bias includes a cushion ...
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JP3871278B2 |
PURPOSE: To provide an improved reference amount generating method for a control circuit in a numerically controlled machine by deriving a position target value from the sequence of appropriately weighted preceding bus target values. CON...
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JP3869002B2 |
In a control system a characteristic quantity of a process (1) exhibits a periodic disturbance. A measuring system (2) generates a measuring signal (Vm) which represents the characteristic quantity. A control device controls the process ...
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JP3802692B2 |
To generate no vibration in positioning response characteristics of the servo controller and to shorten the time of settlement at a target position. The servo controller equipped with control mechanisms 2 and 3 of a feedback compensation...
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JP2006514765A |
A control system includes a measurement device capable of gathering high frequency process parameter data, a modeling routine which uses the high frequency parameter data to develop a model of the high frequency noise and a compensation ...
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JP3773232B2 |
To provide a servo controller for simplifying constitution at the time of digitally estimating and suppressing disturbance whose impression on an object to be controlled is predicted and feedback-controlling the object to be controlled, ...
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JP2006501715A |
A digital controller comprises two control paths each having an A/D converter. One of the two converters has a substantially higher sampling speed and lower resolution than the other. Thus, one is suitable to deal with the fast responses...
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JP2005354088A |
To provide a lithographic movement control system and a method having an exact feedforward.A control system has an actuator for moving a movable component and a feedforward path up to the actuator from a target value input part of the co...
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JP2005344874A |
To provide a magnetic bearing device which can be reduced in circuit scale and cost.A differential signal from a sensor circuit 2B is converted into a digital value by an A/D converter 301, prior to be input to a DSP 307. A sampling freq...
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JP2005534307A |
A computerized method and apparatus for analyzing numerical data pertaining to a sample assay comprising at least one biological sample, with the data including a set of data pertaining to each respective sample, and each set of data inc...
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